//
//  LoginViewController.m
//  OneDay
//
//  Created by lanou3g on 15/11/9.
//  Copyright © 2015年 oneDay. All rights reserved.
//

#import "LoginViewController.h"
#import "RegisterViewController.h"

@interface LoginViewController ()

@property (weak, nonatomic) IBOutlet UITextField *userName;

@property (weak, nonatomic) IBOutlet UITextField *userPassword;

@end

@implementation LoginViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    [self setNavigation];
    self.navigationController.navigationBar.translucent = NO;
    // Do any additional setup after loading the view from its nib.
}

#pragma mark -设置导航栏
- (void)setNavigation
{
    self.navigationItem.title = @"用户登录";
    UIBarButtonItem *leftButton = [[UIBarButtonItem alloc] initWithTitle:@"返回" style:(UIBarButtonItemStylePlain) target:self action:@selector(actionLeftButton:)];
    self.navigationItem.leftBarButtonItem = leftButton;
    
    
}

#pragma mark -实现导航栏按钮触发方法
- (void)actionLeftButton:(UIBarButtonItem *)leftButton
{
    [self dismissViewControllerAnimated:YES completion:nil];
}
- (IBAction)loginButton:(UIButton *)sender {
    [AVUser logInWithUsernameInBackground:self.userName.text password:self.userPassword.text block:^(AVUser *user, NSError *error) {
        if ([self.userName.text isEqualToString:@""] || [self.userPassword.text isEqualToString:@""]) {
            [self showAlterViewWithTitle:@"提示" Message:@"用户名或者密码不能为空"];
        }else{
            // 如果错误
            if (error) {
                NSInteger codeNum = [[error.userInfo valueForKey:@"code"] integerValue];
                if (codeNum == 210){
                    [self showAlterViewWithTitle:@"提示" Message:@"用户名或者密码错误"];
                }
            }else{
                // 登陆成功
                // 持久化账号密码
                [[DataManager shareManager] userName:self.userName.text];
                [[DataManager shareManager] userPassword:self.userPassword.text];
                // 更改登录状态
                [[DataManager shareManager] isLogin:YES];
                // 调用一个成功的block
                self.block();
                [self showAlterViewWithTitle:@"提示" Message:@"登陆成功"];
            }
            
        }
        
    }];
}

// 注册新用户
- (IBAction)registerNewUser:(UIButton *)sender {
    RegisterViewController *registVC = [[RegisterViewController alloc] init];
    [self.navigationController pushViewController:registVC animated:YES];
}

// 封装一个alertView
- (void)showAlterViewWithTitle:(NSString *)title Message:(NSString *)message
{
    
    UIAlertController *alertView = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleAlert];
    [self performSelector:@selector(closeAlter:) withObject:alertView afterDelay:1];
    
    [self presentViewController:alertView animated:YES completion:nil];
}
// 设置1秒之后消失
- (void)closeAlter:(UIAlertController *)alert
{
    [alert dismissViewControllerAnimated:YES completion:nil];
    
}

// 点击页面空白出 收取键盘
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    
    [super touchesBegan:touches withEvent:event];
    [self.view endEditing:YES];
}



- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}



@end
